Home / 109,580.20-151,225.23-61,833.58

Finding the Fourth Proportional to 109,580.20, 151,225.23 and 61,833.58

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Solution

The fourth proportional to 109,580.20, 151,225.23 and 61,833.58 is: 85,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,580.20 : 151,225.23 = 61,833.58 : x
  2. Step 2: Convert to fraction form
    109,580.20/151,225.23 = 61,833.58/x
  3. Step 3: Cross multiply
    109,580.20x = 151,225.23 × 61,833.58
  4. Step 4: Simplify right side
    109,580.20x = 9,350,797,357.22
  5. Step 5: Solve for x
    x = 9,350,797,357.22/109,580.20
  6. Step 6: Final answer
    x = 85,332.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.